-- @testpoint: opengauss关键字validate(非保留)，作为函数名，部分测试点合理报错

--关键字不带引号-成功
drop function if exists validate;
create function validate(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists validate;
--关键字带双引号-成功
drop function if exists "validate";
create function "validate"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists "validate";
--关键字带单引号-合理报错
drop function if exists 'validate';
create function 'validate'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `validate`;
create function `validate`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
